Battery-free operation: This switch uses kinetic energy and converts movement into electricity, so no batteries are required. There are no ongoing battery costs, and maintenance is reduced. A practical, eco-friendly solution for home use. Easy installation: Wirelessly integrate this switch with your existing lighting system without wiring changes or wall damage. Connect the relay receiver to the power source and to the light you want to control. It complements your current setup and improves ease of use. Key benefits: - No batteries to replace; maintenance-free and cost-efficient. - Wireless integration with standard lighting circuits; no rewiring needed. - Compact, unobtrusive design that fits in common mounting locations. Use scenarios: - Living room: mount near seating to easily turn a ceiling light on or off without reaching a wall switch. - Hallway or entry: place at a convenient height to illuminate stairs or corridor when hands are full. - Bedroom or home office: control a bedside lamp or desk light without modifying wiring. Compatibility and performance: - Works with typical residential lighting via the relay receiver. - Simple setup and reliable wireless control that enhances existing lighting systems.